A superb trio of never-before-offered game worn jerseys, from Mickey Mantle, Bobby Orr and Paul Hornung anchor the deep variety of vintage sports memorabilia and trading cards that Heritage Sports Collectibles is offering in its upcoming April 22-23 Signature® Auction, online at HA.com and live in Dallas. The trading card portion of the auction will end on Thursday, April 22 in an Extended Bidding format, each lot closing individually after 30 minutes of bidding inactivity following the 10 PM CT cut-off. The memorabilia will be sold April 23 in a live auction format beginning at 11 a.m. CT, with bidders able to participate in person, by telephone, or online at HA.com/Live. The Mark Emerson Collection of Rare Golf Autographs will close on Friday, April 23 in an Extended Bidding format, each lot closing individually after 30 minutes of bidding inactivity following the 10 PM CT cut-off.